Christopher B. Hulbert

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Winnetka, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Emergency detection and ascent device for a diver
- Patent number 10,583,904
- Issue date Mar 10, 2020
- Christopher B. Hulbert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ascent and buoy system for divers
- Patent number 10,131,412
- Issue date Nov 20, 2018
- Christopher B. Hulbert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Emergency Detection and Ascent Device for a Diver
- Publication number 20190054989
- Publication date Feb 21, 2019
- Christopher B. Hulbert
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Underwater Safety Device
- Publication number 20180001980
- Publication date Jan 4, 2018
- Christopher B. Hulbert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE